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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: QCISD(T)=FULL/cc-pV(D+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)=FULL/cc-pV(D+d)Z
 hartrees
Energy at 0K-438.117821
Energy at 298.15K 
HF Energy-437.729142
Nuclear repulsion energy56.003877
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at QCISD(T)=FULL/cc-pV(D+d)Z
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3167 3167        
2 A' 3064 3064        
3 A' 2740 2740        
4 A' 1483 1483        
5 A' 1358 1358        
6 A' 1103 1103        
7 A' 801 801        
8 A' 722 722        
9 A" 3163 3163        
10 A" 1470 1470        
11 A" 972 972        
12 A" 258 258        

Unscaled Zero Point Vibrational Energy (zpe) 10149.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10149.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/cc-pV(D+d)Z
ABC
3.38159 0.42729 0.40967

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pV(D+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.155 0.000
S2 -0.048 -0.669 0.000
H3 1.290 -0.816 0.000
H4 -1.107 1.465 0.000
H5 0.436 1.563 0.903
H6 0.436 1.563 -0.903

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82372.38211.10331.10281.1028
S21.82371.34592.38222.45572.4557
H32.38211.34593.30872.68402.6840
H41.10332.38223.30871.79031.7903
H51.10282.45572.68401.79031.8062
H61.10282.45572.68401.79031.8062

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.280 S2 C1 H4 106.333
S2 C1 H5 111.713 S2 C1 H6 111.713
H4 C1 H5 108.485 H4 C1 H6 108.485
H5 C1 H6 109.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability